50W Aquarium Heater Adjustable Temperature Submersible Fish Tank Heater Water Thermostat with Thermometer for Freshwater and Saltwater Tanks

Novique, is committed to providing professional, high quality products for every aquarium hobbyist.
Product Parameters：
Power : 50W
Heater Temperature Range: 65°F to 89°F (18°C to 32°C)
Heater Length: 6.75 inch
Cable Length: 3.6 ft
ApplicableTank: 5-15 gallon freshwater and saltwater fish tanks
Free Gift: 1* Temperature sticker
Thermometer Temperature Range: 64°F to 93°F (18°C to 34°C)
Temperature Measurement Accuracy: +/- 1°C
How to Use:
1.Turn top knob to set temperature you want before completely submerging into the water.
2.Mount suction cup holder on upper end of heater body keeping clear of heating element.
3.Must fully submerge in water.
4.Please Plug in power supply.
5.Remove tape from back of thermometer.
6.Attach strip to outside of container (fish tank) and press firmly.
Cautious:
1.Always keep it fully submerged under water before plugged in.
2.Monitor water level constantly – Replenish immediately if low.
3.Unplug it and wait for at least 10 mins before you do aquarium maintenanceor take it out of water.
4.Do not touch the heater while it is powered on to avoidscalding.
5.Do not install suctioncups in the heating area.
Features:
– Knob-Adjustment Temperature
– Safe & Durable
– Complete Accessories
– Widely Used
– Excellent Service
What made me decide on the Novique 50W Aquarium Heater?
1.Knob-Adjustment Temperature:
Heater features a precision knob on top, allowing free adjustment within a range of 65-89°F (18-32°C). when heater is operating, red light comes on. Once temperature is reached, red light goes off.
2.Safe & Durable:
Heaters feature extra-hard glass casing with excellent heat resistance, more uniform and stable thermal conductivity, enhances durability. Internal nickel-chromium alloy heating wire features a spiral pattern to achieve rapid heating, making it very safe for both humans and aquatic animals.
3.Complete Accessories:
1* 50W small heater, 2* powerful suction cups for secure mounting and 1* 3.6-foot power cord. Comes with 1* free sticker thermometer for monitoring of aquarium’s temperature.
4.Widely Used:
Suitable for use in freshwater aquariums, saltwater aquariums and turtle aquariums.
5.Excellent Service:
We provide 24-hour professional after-sales service. always ready to respond to your needs.
Novique, always innovating for a better life.
Experience excellence with Novique.
Package Dimensions ‏ : ‎ 8.39 x 3.23 x 1.81 inches; 5.93 ounces
Item model number ‏ : ‎ NVADHT-2
Date First Available ‏ : ‎ March 5, 2026
Manufacturer ‏ : ‎ Novique
ASIN ‏ : ‎ B0GR9DHFXS
Best Sellers Rank: #88,948 in Pet Supplies (See Top 100 in Pet Supplies) #162 in Aquarium Heaters
Customer Reviews: 4.7 4.7 out of 5 stars (16) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【Novique 50W Aquarium Heater】: When water temperature drops suddenly, fish will become sluggish, lose their appetite, and even affect their health. Appropriate temperature makes pet fish happy and energetic. Novique heater has a knob-adjustable temperature function, allowing you to easily set appropriate water temperature. It is safe, durable, and comes with complete accessories, suitable for a wide range of scenarios. Let Novique protect a warm and vibrant environment for your beloved fish.
【Knob-Adjustment Temperature】: Say goodbye to limitations of traditional heating rods fixed at 78°F. Novique knob-style fish tank heater features a precision knob on top, allowing free adjustment within a range of 65-89°F (18-32°C). Equipped with a built-in smart temperature control system, when heater is operating, red light comes on. Once temperature is reached, red light goes off. Automatically turns on and off heating according to set temperature, maintaining a constant water temperature.
【Safe & Durable】: Novique heaters feature a extra-hard glass casing with excellent heat resistance, more uniform and stable thermal conductivity, enhances durability, making it very safe for both humans and aquatic animals. Internal nickel-chromium alloy heating wire features a spiral pattern to achieve rapid heating. It is recommended to use pump or filter to facilitate circulation of water during heating process, thus preventing localized overheating.
【Complete Accessories】: Novique heater kit comes with everything you need: 1* 50W small heater(suitable for 5-15 gallons fish tanks), 2* powerful suction cups(do not install in heating area), and 1* 3.6ft power cord(easily adapt to various placement layouts). Comes with 1* free sticker thermometer for monitoring of aquarium’s temperature. Ready to use upon opening box and does not require any additional purchases. It provides a complete and convenient constant temperature solution for aquariums.
【Widely Used & Excellent Service】: Novique aquarium submersible heater are highly suitable for use in freshwater aquariums, saltwater aquariums amd turtle aquariums. Meeting your breeding needs at different stages, allowing professional temperature control to accompany every aquatic dream. Novique brand is equipped with a 24-hour professional customer service team, ready to help you solve any problems during usage process, ensuring your shopping experience is worry-free!